Clive Frederick William Rees (born 6 October 1951 in Singapore) is a former Welsh rugby union player. He won thirteen caps as left wing for Wales between 1973 and 1983. Clive Rees's rugby career started at Llanelli Grammar School in the late 1960s where he instantly became known as 'Fred' and played on the wing at all levels. In the same Llanelli & District Schoolboys team were future internationals Gareth Jenkins and Stephen Warlow, and Scarlets Bernard Thomas and Roy Mathias.He displayed his natural speed by winning both the 100 and 200 meters at the Colwyn Bay Secondary Schools Athletic Championship.